just for curiosity, i mention that the prices where I live in Spain are:
natural wool: 15-20 éuro cents/kg
borax: 3-6 euros/kg
MAY THE wings OF LIBERTY NEVER LOSE A SINGLE FEATHER!
love , RIKKI
----Original Message Follows----
From: Harald und Margit Wedig
Reply-To: strawbale@amper....muni.cz
To: strawbale@amper....muni.cz
Subject: Re: [Strawbale] Strawbale roof insulation
Date: Wed, 18 Sep 2002 20:36:29 +0200
Hello Jan,
Jan: maybe a pre-test could be done in
> amateur conditions, before a test in a certified laboratory would be paid
> for. I am sure that some union of shepherds would be able to pay for it,
> even here in Czechia.
Harald:
We took 10 : 1 ratio of sheepwool to dry borax. The borax had a
wholesale price of 1 Euro/ kg the sheepwool cost us 25 Cent/kg.
Total cost for a 15 m2 studio with a 15 cm roof insulation thickness:
200 kg wool : 50 Euro
20 kg borax: 20 Euro
Harald
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